8. Interpretation of the assumptions: a. How do the assumptions used by UPS compare with those made by the other three firms - are they relatively conservative or aggressive? b. What are some possible reasons for these differences? C. How/when can you discover when the assumptions made by UPS's managers are appropriate? (Consider each of the three critical assumptions separately.) d. What would be the impact on the financial statements of changes in each of these disclosed assumptions? e. How would you expect the stock market participants (investors, investment analysts etc) to interpret the disclosures of the assumptions; i.e. would they accept them at face value? Why or why not? f. How could you tell whether the market accepted the assumptions used by UPS at face value